One of the Cafe’s most frequent and wisest commenters, Jon Murphy, e-mailed me to ask that I re-post links to the three essays that I wrote in 2010 for the Pittsburgh Tribune-Review on the great complexity of modern economies – a complexity puzzling to men (and women) “of system,” but not to the decentralized processes of markets. I’m happy to oblige. Here’s the first. Here’s the second. And here’s the third.